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https://issues.apache.org/jira/browse/MAPREDUCE-3927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289461#comment-13289461
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Jason Lowe commented on MAPREDUCE-3927:
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Looks like progress of a killed or failed task will always be zero, as
TaskImpl.getProgress() returns 0 if there is no best attempt and
TaskImpl.selectBestAttempt() skips all killed or failed attempts.
Having the job interpret any finished task as 100% progressed should fix the
job progress reporting for the case where there are failed tasks.
> Shuffle hang when set map.failures.percent
> ------------------------------------------
>
> Key: MAPREDUCE-3927
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3927
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.3, 2.0.0-alpha, 2.0.1-alpha, trunk
> Reporter: MengWang
> Assignee: Bhallamudi Venkata Siva Kamesh
> Priority: Critical
> Labels: patch
> Attachments: MAPREDUCE-3927-1.patch, MAPREDUCE-3927-2.patch,
> MAPREDUCE-3927.patch, MAPREDUCE-3927.patch
>
>
> When set mapred.max.map.failures.percent and there does have some failed
> maps, then shuffle will hang
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